Tissues Part 1 (2) Flashcards
Homeostasis
That balance of materials and energy that keeps you alive
Tissues
When groups of cells come together to perform a common function
Organs
When 2 or more tissues combine
What are our tissue categories based on?
What they do (their function)
What tissue type is in charge of control and communication?
Nervous tissue
What tissue type is in charge of movement?
Muscle tissue
What tissue type covers and protects the body?
Epithelial tissue
What type of tissue provides support and connects different body parts?
Connective tissue
Histology
The study of tissues
Carmine is…
…a red dye derived from crushed bugs used to stain tissues
What are the two PARTS of the nervous system?
- Central
- Peripheral
What are the two main functions of nervous tissue?
- Sensing stimuli
- Sending electrical impulses
What are the two types of nervous CELLS?
- Neurons
- Glial cells
What are the three parts of a neuron?
- Cell body (the cell’s life support)
- Dendrites (signal collector)
- Axon (signal transmitter)
What is the job of a glial cell?
Takes care of the neurons by:
- supporting
- insulating
- protecting
- tethering the neuron to blood vessels
